ipld-eth-server/pkg/fakes/mock_blockchain.go

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package fakes
import (
"math/big"
. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/core"
)
type MockBlockChain struct {
fetchContractDataErr error
fetchContractDataPassedAbi string
fetchContractDataPassedAddress string
fetchContractDataPassedMethod string
fetchContractDataPassedMethodArgs []interface{}
fetchContractDataPassedResult interface{}
fetchContractDataPassedBlockNumber int64
getBlockByNumberErr error
lastBlock *big.Int
node core.Node
}
func NewMockBlockChain() *MockBlockChain {
return &MockBlockChain{
node: core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "Geth"},
}
}
func (blockChain *MockBlockChain) SetFetchContractDataErr(err error) {
blockChain.fetchContractDataErr = err
}
func (blockChain *MockBlockChain) SetLastBlock(blockNumber *big.Int) {
blockChain.lastBlock = blockNumber
}
func (blockChain *MockBlockChain) SetGetBlockByNumberErr(err error) {
blockChain.getBlockByNumberErr = err
}
func (blockChain *MockBlockChain) GetHeaderByNumber(blockNumber int64) (core.Header, error) {
return core.Header{BlockNumber: blockNumber}, nil
}
func (blockChain *MockBlockChain) FetchContractData(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) error {
blockChain.fetchContractDataPassedAbi = abiJSON
blockChain.fetchContractDataPassedAddress = address
blockChain.fetchContractDataPassedMethod = method
blockChain.fetchContractDataPassedMethodArgs = methodArgs
blockChain.fetchContractDataPassedResult = result
blockChain.fetchContractDataPassedBlockNumber = blockNumber
return blockChain.fetchContractDataErr
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}
func (blockChain *MockBlockChain) CallContract(contractHash string, input []byte, blockNumber *big.Int) ([]byte, error) {
return []byte{}, nil
}
func (blockChain *MockBlockChain) LastBlock() *big.Int {
return blockChain.lastBlock
}
func (blockChain *MockBlockChain) GetLogs(contract core.Contract, startingBlock *big.Int, endingBlock *big.Int) ([]core.Log, error) {
return []core.Log{}, nil
}
func (blockChain *MockBlockChain) Node() core.Node {
return blockChain.node
}
func (blockChain *MockBlockChain) GetBlockByNumber(blockNumber int64) (core.Block, error) {
return core.Block{Number: blockNumber}, blockChain.getBlockByNumberErr
}
// TODO: handle methodArg being nil (can't match nil to nil in Gomega)
func (blockChain *MockBlockChain) AssertFetchContractDataCalledWith(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) {
Expect(blockChain.fetchContractDataPassedAbi).To(Equal(abiJSON))
Expect(blockChain.fetchContractDataPassedAddress).To(Equal(address))
Expect(blockChain.fetchContractDataPassedMethod).To(Equal(method))
Expect(blockChain.fetchContractDataPassedResult).To(Equal(result))
Expect(blockChain.fetchContractDataPassedBlockNumber).To(Equal(blockNumber))
}